Does marijuana make you improve in mathematics?

It probably wouldn't, unless you are suffering from ADHD. In some cases (including mine), I was able to get better grades while using. Many people experience lack of focus, but it depends on the person (and the marijuana). read more

Yes, you can be addicted to weed, although you probably won't suffer the same withdrawal symptoms as you would with cocaine or heroin. Some scientific evidence supports the medical use of marijuana; however, there is also evidence that marijuana use can lead to memory loss, addiction and poor impulse control. read more